Year	Percent
1995	7.965
1996	8.2
1997	8.026
1998	8.115
1999	8.198
2000	8.18
2001	8.859
2002	9.228
2003	9.31
2004	9.088
2005	9.062
2006	8.948
2007	8.917
2008	9.228
2009	10
2010	9.633